diedrick



Mme") w. H. DIEDRIGK.

- ROAD SGRAPER.

Patented Mar. 6 ,1894.

VII-lawman.

FEE

NITED ST TES PATENT \VILLIAM. H. DIEDRIOK, OF STOCKTON, CALIFORNIA, ASSIGNOR TO JOHN D. MGDOUGALD, OF SAME PLACE.

RoAn-scRAPER.

SPECIFICATION forming part of Letters Patent No. 515,999, dated March 6, 1894:. Application l April 24, 1393. Serial Nil-471,682- (No model.)

To all whom it may concern; to be engaged by the detent M, of the lever Be itknown that 1, WILLIAM H. DIEDRICK, L, which lever is fixedly connected to the a citizen of the United States, residing at shaft J. This lever L, serves to adgust and Stockton, in the county of San Joaquin and adjustahly fix the runners B, with respect to 5 State of California,have invented certain new the bowl A, and it will be readily perceived and useful Improvements in Road-Scrapers; that when said lever is moved in the direcandldo declarethe following tobea full, clear, tion indicated by the arrow, the arms I, will and exact description of the invention, such be swung forward and through the medium as will enable others skilled in the art to which of the links H, and the angular levers D, will to it appertains to make and use the same, refermove the upper ends of the runners away once being had to the accompanying drawings, from the bowl A, and cause the lower ends of and to the letters of reference marked thereon, the runners to move downwardly and raise which form a part of this specification. the bowl. When the lever L, is moved in a My invention relates to certain improvedirection opposite to that indicated, the up- 5 5 ments in that class of earth scrapers which per ends of the runners will be be moved toare used in making and leveling roads, excaward the bowl and their lower ends will be rating ditches, canals, and cellars, and gendrawn upward so as to lower the bowl. Thus orally in raising and removing loosened soil it will be seen that the bowl may be readily or gravel to a short distance, and it con sists adjusted to suit the scraper to various kinds :0 in certain devices and combination of devices of soil. 7 as will be fully described in the specification N, indicates a bracket which isfixedly conand pointed out in the claims. nected to the rear'side oi the bowl A, and ex- Referring to the accompanying drawings, tends rearwardly therefrom; and 0, indicates Figu1'cl,is aplanviewof myim proved scraper. a segment rack which is fixed at the rear end 25 Fig. 2, is a right hand side elevation ofthe of the brace N, as shown. same. P, indicates an adjustable operating lever Similar letters of reference indicate correwhich is pivotally or flexibly attached to the spending parts. rack K, at the point Q, and engages with the A, is a scraper bowl to which runners B, are segment rack O, by means of a pin a.

30 flexibly attached near the bottom or blade of R, indicates arms flexibly attached at their the bowl by means of plates 0, and at the top lower ends to the arms H, adjacent to the by a combination of plates which I will now middle of the same. explain. S, indicates arms which are ilexiblyattached D, are angular plates or arms, which are to the ends of the arms R, and to the arms D;

35 flexibly attached at one end to the top or front and T,indicates a stop rod which is fixedly conends of the runners B, and are supported by .nected to the arms S, as shown. plates or arms E, which are flexibly attached The arms R, and S, afford a support for the at the upper ends to the angles of the plates rod '1, and the said rod T, serves, when the or arms D, and at the lower ends to plates F. bowl is turned over upon the runners as will 40 G, are circular guiding plates which are he presently described, to engage the draft attached to the ends of the bowl A. rods U, so as to prevent the bowl from swing- Attached atone end to the inner end of the ing over too far. The rod T, is especially adplates or arms D, are plates or arms H, which vantageous when the scraper is employed on are flexibly attached at their other ends to declivities orinclines, where thebowlis liable 45 the top ends of vertical arms I, which are fixto fall forwardly. The draft rods U, are conedly attached toa rock shaft J, which is jouruected to the bowl by bolts which take naled in bearings on the back of the scraper through apertures V, formed in the ends of bowl near the top of same. the bowl. A vertical series of apertures V,

Fixedly connected to the back of the bowl are provided in the bowl, as shown, so as to 50 A, is a segmental rack K, which is designed enable the operator to fasten the draft rods 10o U, at various elevations and thereby regulate the angle at which the forward edge of the bowl takes into the ground.

My improved scraper is operated as follows: The operator locates the lever P, in such position with relation to the rack O, as will give the best results; that is, in such position as will be the most convenient for him, governed by his own height; for a short man at the bottom of the rack O, and for a tall man at the top of the same. The team is attached to the draft rods U, and the scraper bowl is filled with soil or gravel, as the case may be, then the scraper is tilted back from contact with the ground by means of the lever P, when the loaded scraper is driven to the place where it is desired to deposit its load. On the Way to the dumping ground the operator regulates the runners by means of the hand lever L, and the connecting mechanism before described so as to deposit the soil or gravel in large or small quantities as desired; and when he arrives at the place of deposit, he raises the lever P, until the bowl A, rests upon the runners when its contents will be distributed evenly over the ground. If the operator desires to deposit the entire load of the scraper at one spot, it is simply necessary for him to raise the bowl through the medium of the handle P, until the runners rest entirely upon the ground and the bowl rests above the same. This is also the position of the parts when it is desired to move the scraper from place to place,

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a road scraper, the combination with the scraper bowl A, provided with the holes V, of the plates 0, the adjustable runners B, the arms D, E, H, I, R, and S arranged as described, the plate F, the circular plate G, the rock shaft J, the segment rack K, the lever L, fixed to the shaft J and provided with the spring detent M, the bracket brace Nprovided with the segment rack O, the adjustable lever P, flexibly attached at the point Q, and to the rack O, by the pin, a, the draft rod U and the stop rod T, all operating substantially as shown and described.

2. In a scraper, the combination substantially as described with a scraper bowl, of suitable runners flexibly and adjustably attached thereto, suitable means for operating such runners, suitable draft rods, a suitable stop rod, and lever for operating such scraper.

3. In a dirt scraper, the bowl A, in combination with the runners B, flexibly secured at the bottom of the bowl and a means for adjusting said runners at the will of the operator at the rear of the scraper for regulating the distribution of material from the bowl, substantially as shown and described.

4. In a road scraper, the bowl A, in combination with the runners B, and the means for adjusting them with such bowl, consisting of the connecting plates or arms D, E, F, and suitable mechanism, connecting such arms with the operating lever L, and guiding lever P, all as shown and described.

5. In a road scraper, the dirt bowl A, in combination with suitable supporting runners B, flexibly attached to such runners by suitable arms, and means for operating the bowl consisting essentially of the flexible adj usting plates or arms D and E, the securing plates F and G, the controlling arms H and I, the arms R, and S, provided with the stop rod T, the rock shaft J, the segment rack K,shaft J the lever L, having the detent M, adapted to engage said segment rack, and the adjustable operating lever P, all substantially as shown and described.

In testimony whereof I affix my signature in presence of two Witnesses.

WILLIAM H. DIEDRIOK.

Witnesses:

JOSHUA B. WEBsTER, JAMES T. SUMMERVILLE. 

